eef3e8739e
R=vitalyr@chromium.org TEST=cctest/test-dictionary Review URL: http://codereview.chromium.org/7385006 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
// Copyright 2011 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#include "v8.h"
|
|
|
|
#include "api.h"
|
|
#include "debug.h"
|
|
#include "execution.h"
|
|
#include "factory.h"
|
|
#include "macro-assembler.h"
|
|
#include "objects.h"
|
|
#include "global-handles.h"
|
|
#include "cctest.h"
|
|
|
|
using namespace v8::internal;
|
|
|
|
TEST(ObjectHashTable) {
|
|
v8::HandleScope scope;
|
|
LocalContext context;
|
|
Handle<ObjectHashTable> table = FACTORY->NewObjectHashTable(23);
|
|
Handle<JSObject> a = FACTORY->NewJSArray(7);
|
|
Handle<JSObject> b = FACTORY->NewJSArray(11);
|
|
table = PutIntoObjectHashTable(table, a, b);
|
|
CHECK_EQ(table->NumberOfElements(), 1);
|
|
CHECK_EQ(table->Lookup(*a), *b);
|
|
CHECK_EQ(table->Lookup(*b), HEAP->undefined_value());
|
|
|
|
// Keys still have to be valid after objects were moved.
|
|
HEAP->CollectGarbage(NEW_SPACE);
|
|
CHECK_EQ(table->NumberOfElements(), 1);
|
|
CHECK_EQ(table->Lookup(*a), *b);
|
|
CHECK_EQ(table->Lookup(*b), HEAP->undefined_value());
|
|
|
|
// Keys that are overwritten should not change number of elements.
|
|
table = PutIntoObjectHashTable(table, a, FACTORY->NewJSArray(13));
|
|
CHECK_EQ(table->NumberOfElements(), 1);
|
|
CHECK_NE(table->Lookup(*a), *b);
|
|
|
|
// Keys mapped to undefined should be removed permanently.
|
|
table = PutIntoObjectHashTable(table, a, FACTORY->undefined_value());
|
|
CHECK_EQ(table->NumberOfElements(), 0);
|
|
CHECK_EQ(table->NumberOfDeletedElements(), 1);
|
|
CHECK_EQ(table->Lookup(*a), HEAP->undefined_value());
|
|
|
|
// Keys should map back to their respective values.
|
|
for (int i = 0; i < 100; i++) {
|
|
Handle<JSObject> key = FACTORY->NewJSArray(7);
|
|
Handle<JSObject> value = FACTORY->NewJSArray(11);
|
|
table = PutIntoObjectHashTable(table, key, value);
|
|
CHECK_EQ(table->NumberOfElements(), i + 1);
|
|
CHECK_NE(table->FindEntry(*key), ObjectHashTable::kNotFound);
|
|
CHECK_EQ(table->Lookup(*key), *value);
|
|
}
|
|
|
|
// Keys never added to the map should not be found.
|
|
for (int i = 0; i < 1000; i++) {
|
|
Handle<JSObject> o = FACTORY->NewJSArray(100);
|
|
CHECK_EQ(table->FindEntry(*o), ObjectHashTable::kNotFound);
|
|
CHECK_EQ(table->Lookup(*o), HEAP->undefined_value());
|
|
}
|
|
}
|